please help with ii, thanks

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secondary 3 | A Maths
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secondary 3 A Maths Singapore

please help with ii, thanks

Date Posted: 1 year ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

I skipped steps on subbing in but you should expand your working for ever x values used

Date Posted: 1 year ago